I would not request an MRI.I would have him examined by a neurologist.What he is seeing could be due to something he is doing, and not pathology.A neuro exam can sort this out, and possibly save you the expense.OK, so that is an initial answer….Please use reply to expert if you have further questions. When you are ready, please click a positive rating [hopefully excellent]. If you forgot something, come back. I am here daily.